From ba023aad1720fbbfd464bd823f04b307b9befb7f Mon Sep 17 00:00:00 2001
From: Maxim Lebedev <mail@toby3d.ru>
Date: Tue, 5 Sep 2017 13:32:27 +0500
Subject: [PATCH] :sparkles: Added answerInlineQuery method

---
 answer_inline_query.go | 55 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 answer_inline_query.go

diff --git a/answer_inline_query.go b/answer_inline_query.go
new file mode 100644
index 0000000..9c639ba
--- /dev/null
+++ b/answer_inline_query.go
@@ -0,0 +1,55 @@
+package telegram
+
+import (
+	"errors"
+	"strconv"
+
+	json "github.com/pquerna/ffjson/ffjson"
+	http "github.com/valyala/fasthttp"
+)
+
+type AnswerInlineQueryParameters struct {
+	// The maximum amount of time in seconds that the result of the inline query may be cached on the server. Defaults to 300.
+	CacheTime int `json:"cache_time"` // optional
+
+	// Pass True, if results may be cached on the server side only for the user that sent the query. By default, results may be returned to any user who sends the same query
+	IsPersonal bool `json:"is_personal"` // optional
+
+	// Pass the offset that a client should send in the next query with the same text to receive more results. Pass an empty string if there are no more results or if you don‘t support pagination. Offset length can’t exceed 64 bytes.
+	NextOffset string `json:"next_offset"` // optional
+
+	// If passed, clients will display a button with specified text that switches the user to a private chat with the bot and sends the bot a start message with the parameter switch_pm_parameter
+	SwitchPrivateMessageText string `json:"switch_pm_text"` // optional
+
+	// Deep-linking parameter for the /start message sent to the bot when user presses the switch button. 1-64 characters, only A-Z, a-z, 0-9, _ and - are allowed.
+	SwitchPrivateMessageParameter string `json:"switch_pm_parameter"` // optional
+}
+
+// AnswerInlineQuery send answers to an inline query. On success, True is returned.
+//
+// No more than 50 results per query are allowed.
+func (bot *Bot) AnswerInlineQuery(id string, results []interface{}, params *AnswerInlineQueryParameters) (bool, error) {
+	var args http.Args
+	args.Add("inline_query_id", id) // Unique identifier for the query to be answered
+
+	data, err := json.Marshal(results)
+	if err != nil {
+		return false, err
+	}
+	args.Add("results", string(data)) // A JSON-serialized array of results for the inline query
+
+	args.Add("cache_time", strconv.Itoa(params.CacheTime))
+	args.Add("is_personal", strconv.FormatBool(params.IsPersonal))
+	args.Add("next_offset", params.NextOffset)
+	args.Add("switch_pm_text", params.SwitchPrivateMessageText)
+	args.Add("switch_pm_parameter", params.SwitchPrivateMessageParameter)
+
+	resp, err := bot.request("answerInlineQuery", &args)
+	if err != nil {
+		return false, err
+	}
+
+	var data bool
+	err = json.Unmarshal(*resp.Result, &data)
+	return data, err
+}